What I expected to happen was...:
Minecraft should start.
What actually happened was...:
Minecraft crashed.
Steps to Reproduce:
1.Change the Version to 13w24a.
2.Started MinecraftDev.
3.Crash.
Environment
OS: Mac OS X (ver 10.8.3, arch x86_64)
Java: 1.6.0_45 (by Apple Inc.)
Launcher: 0.9.3 (Dev) (bootstrap 2)
Minecraft: 13w24a (updated Thu Jun 13 17:32:23 CEST 2013)
Duplicate of MC-4947.